This morning, two of NASA’s astronauts will make history when they don their space suits and leave the confines of the International Space Station for a 6.5-hour spacewalk. That’s because the two astronauts who are heading out into space — Christina Koch and Jessica Meir — will be performing the first all-female spacewalk in the history of space travel.
To get a perspective on just how big of a deal this is, look at the numbers. Ever since humans started going into space, 227 people have left their spacecraft and done some sort of spacewalking activity. Of that number, only 14 of those humans have been women. Svetlana Savitskaya, a Soviet cosmonaut, was the first woman to spacewalk in 1984, nearly 20 years after the first spacewalker,…